Cisco 400-007 Reliable Mock Test, Sample 400-007 Questions Answers

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Cisco 400-007 Exam Overview:

Certification Vendor:Cisco
Exam Name:Cisco Certified Design Expert Written Exam
Exam Number:400-007
Exam Price:$450 USD
Related Certifications:CCDE
Cisco Certified Specialist - Design Core
Available Languages:English
Exam Format:Simulation, Drag and Drop, Multiple Choice Single Answer, Multiple Choice Multiple Answer
Real Exam Qty:90-110
Passing Score:Variable (approx. 750-850 / 1000)
Exam Duration:120 minutes
Certificate Validity Period:3 Years
Sample Questions:Cisco 400-007 Sample Questions
Exam Way:Testing Center (via Pearson VUE)
Pre Condition:None
Official Syllabus URL:https://learningnetwork.cisco.com/s/ccde-written-exam-topics-400-007

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Cisco 400-007 is a certification exam that tests the knowledge and skills of individuals in the area of network design. As part of the Cisco Certified Design Expert (CCDE) program, the exam is designed to validate the expertise of network designers in various industries, including service providers, large enterprises, and government agencies.

Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q289-Q294):

NEW QUESTION # 289
Refer to the exhibit. This enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides a Layer 3 VPN solution and manages the CE routers, but they do not currently support multicast. Which solution quickly allows this multicast traffic to go through while allowing for future scalability?

Answer: A


NEW QUESTION # 290
An organization is looking to perform a major overhaul on their data center storage infrastructure with a focus on high availability and fault tolerance Which approach will accomplish this?

Answer: D


NEW QUESTION # 291
A business requirement is supplied to an architect from a car manufacturer stating their business model is changing to just-in-time manufacturing and a new network is required. The manufacturer does not produce all of the specific components in-house. Which area should the architect focus on initially?

Answer: B

Explanation:
Just-in-time (JIT) manufacturing relies on precision timing and real-time data exchanges between production systems and external suppliers. Network latency can directly impact the efficiency and viability of such a system. For this reason, the architect must prioritize a network design that ensures minimal delay and rapid delivery of application and sensor data.
According to CCDE v3.1 design principles, when latency is tied directly to business outcomes (e.g., manufacturing workflow dependencies), the network must be designed with a focus on:
* End-to-end low-latency infrastructure
* Predictable jitter and delay control
* Application prioritization mechanisms (QoS)
* High availability and redundancy
This allows the manufacturer to optimize production throughput while reducing delays caused by communication lag with external component providers.
Why other options are incorrect:
* A. Automation helps with operational efficiency, but it does not directly ensure low-latency communication.
* B. Zero Trust is a security model, not latency-related.
* D. Modularity is about design structure, not latency performance.


NEW QUESTION # 292
Company XYZ is running a redundant private WAN network using OSPF as the underlay protocol. The current design accommodates for redundancy in the network, but it is taking over 30 seconds for the network to reconverge upon failure. Which technique can be implemented in the design to detect such a failure in a subsecond?

Answer: B

Explanation:
BFD (Bidirectional Forwarding Detection) provides rapid failure detection independent of OSPF's native hello
/dead timers.
BFD operates at subsecond intervals (as low as 50ms), detecting link failures almost immediately, allowing OSPF to react instantly upon failure detection.
BFD complements OSPF and significantly improves convergence time without compromising OSPF's stability.
Why other options are incorrect:
A: STP is irrelevant for Layer 3 routing failures.
B: Fate sharing describes failure domains, not detection mechanisms.
C: OSPF LFA provides fast reroute after failure detection but doesn't accelerate detection itself.
E: Flex links are used in Layer 2 switching, not for OSPF-based WAN failover.


NEW QUESTION # 293

Refer to the diagram. Which solution must be used to send traffic from the foreign wireless LAN controller to the anchor wireless LAN controller?

Answer: C


NEW QUESTION # 294
......

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